Preheat your oven to 350°F (175°C) and grease a loaf pan with cooking spray or olive oil.

In a large mixing bowl, combine flour, both vanilla and unflavored protein powders, baking powder, and baking soda.

Add cold non-fat Greek yogurt into the dry mixture and fold gently until a thick, sticky dough forms.

Wet your hands slightly to prevent sticking, then divide the dough into approximately 25 pieces and roll into balls.

Prepare a cinnamon-sugar mixture and dip each dough ball in almond milk before rolling in it, then arrange in the prepared loaf pan.

Bake for 20 minutes, then cover loosely with foil and bake for another 10-15 minutes until golden brown.

Let cool for a few minutes, then invert onto a serving plate and serve warm or at room temperature.